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Finding the Fourth Proportional to 4,755.84, 6,548.40 and 4,046.40

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Solution

The fourth proportional to 4,755.84, 6,548.40 and 4,046.40 is: 5,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.84 : 6,548.40 = 4,046.40 : x
  2. Step 2: Convert to fraction form
    4,755.84/6,548.40 = 4,046.40/x
  3. Step 3: Cross multiply
    4,755.84x = 6,548.40 × 4,046.40
  4. Step 4: Simplify right side
    4,755.84x = 26,497,445.76
  5. Step 5: Solve for x
    x = 26,497,445.76/4,755.84
  6. Step 6: Final answer
    x = 5,571.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.